Updating current time…
UTC
12am
3am
6am
9am
12pm
3pm
6pm
9pm
LHDT/LHST
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Lord Howe Island is on daylight saving time: LHDT (UTC+11) until Sun, Apr 4, 2027.

Quick answers

Selected conversion

12:00 pm12:00 UTC (UTC+0), Oct 13, 2026 = 11:00 pm23:00 LHDT (UTC+11), Oct 13, 2026

UTC is 11 hours behind LHDT.

UTC and LHST examples

These examples always use UTC (UTC+0) and LHST (UTC+10:30). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

UTC is 10 hours and 30 minutes behind LHST.

How the time difference changes

Depending on seasonal clock changes, UTC is 10 hours and 30 minutes behind LHST or UTC is 11 hours behind LHDT.

Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in UTC correspond to 7:30 pm to 3:30 am (next day) in LHST or working hours of 9:00 am to 5:00 pm in UTC correspond to 8:00 pm to 4:00 am (next day) in LHDT.Depending on seasonal clock changes, working hours of 09:00 to 17:00 in UTC correspond to 19:30 to 03:30 (next day) in LHST or working hours of 09:00 to 17:00 in UTC correspond to 20:00 to 04:00 (next day) in LHDT.

Compare UTC time with LHST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Coordinated Universal Time is 11 hours behind Lord Howe Daylight Time.
12:00 pm12:00 in UTC is 11:00 pm23:00 in LHDT

UTC to LHDT call time
Best time for a conference call or a meeting is between 7am-8am07:00-08:00 in UTC which corresponds to 6pm-7pm18:00-19:00 in LHDT. Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.

12:00 pm12:00 Coordinated Universal Time (UTC). Offset UTC 0:00 hours
11:00 pm23:00 Lord Howe Daylight Time (LHDT). Offset UTC +11:00 hours

12:00 pm12:00 UTC / 11:00 pm23:00 LHDT

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
UTCLHDT
11:00am
12:00pm
1:00pm
2:00pm
3:00pm
4:00pm
5:00pm
6:00pm
7:00pm
8:00pm
9:00pm
10:00pm
11:00pm
12:00am next day
1:00am next day
2:00am next day
3:00am next day
4:00am next day
5:00am next day
6:00am next day
7:00am next day
8:00am next day
9:00am next day
10:00am next day
11:00
12:00
13:00
14:00
15:00
16:00
17:00
18:00
19:00
20:00
21:00
22:00
23:00
00:00 next day
01:00 next day
02:00 next day
03:00 next day
04:00 next day
05:00 next day
06:00 next day
07:00 next day
08:00 next day
09:00 next day
10:00 next day

Coordinated Universal Time

Offset: UTC is the same as Greenwich Mean Time (GMT).

Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is the successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but UTC is the standard the scientific community uses.
UTC has been the time standard commonly used across the world since 1972. It is used in many technical fields, such as aviation and meteorology, and to synchronize time across internet networks.

Map of the areas on Coordinated Universal Time (UTC)
UTC all year UTC part of the year

Today some of the lighter areas are on UTC+1 (British Summer Time, Irish Standard Time, WEST).

UTC representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
  • +00 - basic short
  • +0000 - basic
  • +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for UTC
  • Z - short form of 'Zulu'
IANA/Olson: Reflects UTC time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Etc/UCT
  • Etc/UTC
  • Etc/Universal
  • Etc/Zulu
  • UCT
  • UTC
  • Universal
  • Zulu
Time zones with the GMT +0 offset:
  • EGST - Eastern Greenland Summer Time
  • GMT - Greenwich Mean Time
  • WET - Western European Time
  • AZOST - Azores Summer Time
  • UTC - Coordinated Universal Time
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone

Lord Howe Standard Time

Offset: LHST is 10 hours and 30 minutes ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Australia

Map of the areas on Lord Howe Standard Time (LHST)
LHST part of the year

Today the shaded areas are on UTC+11.

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward 30 minutes for daylight saving time and observe Lord Howe Daylight Time (LHDT).

123456789101112End: Lord Howe Standard Time (LHST) ended on Sunday, October 4, 2026 at 2:00 am02:00 local time and clocks were set 30 minutes forward to Sunday, October 4, 2026, 2:30 am02:30 local daylight time instead. Standard time ends annually on the first Sunday of October.

123456789101112Start: Lord Howe Standard Time (LHST) starts on Sunday, April 4, 2027 at 2:00 am02:00 local time and clocks are set 30 minutes back to Sunday, April 4, 2027, 1:30 am01:30. Standard time starts annually on the first Sunday of April.

See upcoming clock changes worldwide.

LHST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +1030 - basic
  • +10:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1030 - sign character (+) followed by a four digit time providing hours (10) and minutes (30) of the offset. Indicates an offset of ten hours and thirty minutes to the east of the zero meridian.
Time zones with the GMT +10:30 offset:
  • ACDT - Australian Central Daylight Time
  • LHST - Lord Howe Standard Time